Spiral walkway tower in Xiamen, China.
Fullsize image: https://diqn32j8nouaz.cloudfront.net...l_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net..._sea_trail.jpg
https://diqn32j8nouaz.cloudfront.net...1_fullsize.jpg
Previously:
https://www.homemadetools.net/forum/...061#post191404
https://www.homemadetools.net/forum/...095#post125771
https://www.homemadetools.net/forum/...607#post193396
https://www.homemadetools.net/forum/...925#post179510
https://www.homemadetools.net/forum/...683#post147790
